GB2326487A - Method of assaying compressive strength of rock - Google Patents

Method of assaying compressive strength of rock

Info

Publication number
GB2326487A
GB2326487A GB9820635A GB9820635A GB2326487A GB 2326487 A GB2326487 A GB 2326487A GB 9820635 A GB9820635 A GB 9820635A GB 9820635 A GB9820635 A GB 9820635A GB 2326487 A GB2326487 A GB 2326487A
Authority
GB
United Kingdom
Prior art keywords
compressive strength
signals
rock
porosity
series
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB9820635A
Other versions
GB9820635D0 (en
GB2326487B (en
Inventor
Lee Morgan Smith
William A Goldman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of GB9820635D0 publication Critical patent/GB9820635D0/en
Publication of GB2326487A publication Critical patent/GB2326487A/en
Application granted granted Critical
Publication of GB2326487B publication Critical patent/GB2326487B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Biochemistry (AREA)
  • Remote Sensing (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

A method of assaying the compressive strength of rock comprises testing a primary plurality of rock samples of similar lithology, at least some of which have different porosities, to determine, for each sample respectively, values corresponding to compressive strength and porosity. A first series of pairs of electrical compressive strength and porosity signals, the signals of each pair corresponding, respectively, to the compressive strength and porosity values for a respective one of the samples, is generated. These signals are processed by a computer to extrapolate additional such pairs of signals and generate a second series of electrical signals corresponding to compressive strength as a function of porosity. The second series of signals may correspond to unconfined compressive strength, and may be further processed to generate a cumulative series of signals, using electrical adjustment signals corresponding to other conditions affecting the compressive strength of the rock.
GB9820635A 1996-03-25 1997-03-21 Method of assaying compressive strength of rock Expired - Fee Related GB2326487B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/621,412 US5767399A (en) 1996-03-25 1996-03-25 Method of assaying compressive strength of rock
PCT/US1997/004604 WO1997036091A1 (en) 1996-03-25 1997-03-21 Method of assaying compressive strength of rock

Publications (3)

Publication Number Publication Date
GB9820635D0 GB9820635D0 (en) 1998-11-18
GB2326487A true GB2326487A (en) 1998-12-23
GB2326487B GB2326487B (en) 2000-08-23

Family

ID=24490077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9820635A Expired - Fee Related GB2326487B (en) 1996-03-25 1997-03-21 Method of assaying compressive strength of rock

Country Status (9)

Country Link
US (1) US5767399A (en)
JP (1) JP2000510580A (en)
CN (1) CN1081721C (en)
AU (1) AU709743B2 (en)
BR (1) BR9708349A (en)
CA (1) CA2250090C (en)
GB (1) GB2326487B (en)
NO (1) NO320682B1 (en)
WO (1) WO1997036091A1 (en)

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US6662631B2 (en) * 1998-08-28 2003-12-16 Interuniversitair Microelektronica Centrum Method and apparatus for characterization of porous films
US6412577B1 (en) * 1998-08-31 2002-07-02 Halliburton Energy Services Inc. Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
US7334652B2 (en) * 1998-08-31 2008-02-26 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced cutting elements and cutting structures
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WO2000012859A2 (en) * 1998-08-31 2000-03-09 Halliburton Energy Services, Inc. Force-balanced roller-cone bits, systems, drilling methods, and design methods
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US20040230413A1 (en) * 1998-08-31 2004-11-18 Shilin Chen Roller cone bit design using multi-objective optimization
US20040236553A1 (en) * 1998-08-31 2004-11-25 Shilin Chen Three-dimensional tooth orientation for roller cone bits
US20040140130A1 (en) * 1998-08-31 2004-07-22 Halliburton Energy Services, Inc., A Delaware Corporation Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
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US7434632B2 (en) * 2004-03-02 2008-10-14 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
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CA2625012C (en) * 2005-08-08 2016-05-03 Halliburton Energy Services, Inc. Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
US7860696B2 (en) * 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
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US8452580B2 (en) * 2010-02-26 2013-05-28 Chevron U.S.A. Inc. Method and system for using multiple-point statistics simulation to model reservoir property trends
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CN102854299B (en) * 2012-07-26 2014-12-17 武汉大学 Ore rock intensity prediction method based on component thermodynamic gene expression programming
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US11927571B2 (en) 2016-12-14 2024-03-12 Michael P. Smith Methods and devices for evaluating the contents of materials
CN107247130B (en) * 2017-06-21 2019-08-27 中国电建集团贵阳勘测设计研究院有限公司 Method for dereferencing Hoek-Brown parameter S of randomly-defected rock mass
CN108548723B (en) * 2018-05-21 2021-03-30 中国石油天然气股份有限公司 Method, device and storage medium for determining compressive strength of rock
WO2020051259A1 (en) 2018-09-05 2020-03-12 Michael Smith Carbonate grain content analysis and related methods
WO2020146859A1 (en) 2019-01-13 2020-07-16 Michael Smith Analysis of release-resistant water in materials and related devices and methods
WO2021076529A1 (en) * 2019-10-13 2021-04-22 Michael Smith Determining properties of materials through conditionally-releasable material-associated liquids
CN113092720B (en) * 2021-04-02 2022-01-14 交通运输部公路科学研究所 Rock lateral confinement expansion constitutive relation analysis method
CN113468807B (en) * 2021-06-29 2023-04-07 湖南科技大学 Method for determining empirical formula of uniaxial compressive strength of rock
CN114622907B (en) * 2022-05-12 2022-07-19 中国科学院地质与地球物理研究所 Method, system and equipment for predicting minimum horizontal principal stress profile model of oil and gas reservoir
CN115618526B (en) * 2022-11-15 2023-03-28 中国矿业大学(北京) Rock burst energy in-situ test and evaluation method
CN115825396B (en) * 2022-12-19 2024-07-16 长安大学 Rock-soil disintegration testing device with controllable temperature and pressure and use method

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US5012674A (en) * 1988-10-31 1991-05-07 Amoco Corporation Method of exploration for hydrocarbons
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US5442950A (en) * 1993-10-18 1995-08-22 Saudi Arabian Oil Company Method and apparatus for determining properties of reservoir rock

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Also Published As

Publication number Publication date
US5767399A (en) 1998-06-16
JP2000510580A (en) 2000-08-15
BR9708349A (en) 1999-08-03
AU709743B2 (en) 1999-09-02
CA2250090A1 (en) 1997-10-02
CN1081721C (en) 2002-03-27
CN1214757A (en) 1999-04-21
AU2539997A (en) 1997-10-17
GB9820635D0 (en) 1998-11-18
NO984452D0 (en) 1998-09-24
NO984452L (en) 1998-09-24
NO320682B1 (en) 2006-01-16
WO1997036091A1 (en) 1997-10-02
CA2250090C (en) 2006-10-17
GB2326487B (en) 2000-08-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160321